#include <iostream>
#include <algorithm>
#include <vector>
#include <iterator>
int myrand()
{
        return rand()%100;
}
template <typename T>
void myprint(std::vector<T> arg)
{
        std::copy(arg.begin(), arg.end(), std::ostream_iterator<T>(std::cout," "));        std::cout << std::endl;

}

int main()
{
        std::vector<int> a(10);
        std::generate(a.begin(), a.end(), myrand);
        myprint(a);        std::sort(a.begin(), a.end());
        myprint(a);
        std::random_shuffle(a.begin(), a.begin()+5);        myprint(a);        std::partial_sort(a.begin(),a.begin()+5,  a.end());        myprint(a);        return 0;
}